The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 22, 2013

Filed:

Dec. 26, 2007
Applicants:

Paramvir Bahl, Issaquah, WA (US);

Alastair Wolman, Seattle, WA (US);

Ranveer Chandra, Kirkland, WA (US);

Kevin Chin, Bellevue, WA (US);

Yuvraj Agarwal, San Diego, CA (US);

Inventors:

Paramvir Bahl, Issaquah, WA (US);

Alastair Wolman, Seattle, WA (US);

Ranveer Chandra, Kirkland, WA (US);

Kevin Chin, Bellevue, WA (US);

Yuvraj Agarwal, San Diego, CA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Techniques for increasing the battery life on a mobile device by decreasing the energy consumption of the mobile device's wireless fidelity (Wi-Fi) interface are described. In one embodiment, the mobile device's Wi-Fi interface is automatically disabled when the device is not engaged. When the device receives a wake up call from a server via its Cellular interface, the Wi-Fi interface is enabled if the device answers the wake up call and the Wi-Fi interface is available. Using its Wi-Fi interface, the mobile device then connects to an IP-based network via a Wi-Fi access point.


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